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EP3275849A1 - Corps de moule isolant et l'utilisation dans un reacteur tubulaire - Google Patents

Corps de moule isolant et l'utilisation dans un reacteur tubulaire Download PDF

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Publication number
EP3275849A1
EP3275849A1 EP16400031.7A EP16400031A EP3275849A1 EP 3275849 A1 EP3275849 A1 EP 3275849A1 EP 16400031 A EP16400031 A EP 16400031A EP 3275849 A1 EP3275849 A1 EP 3275849A1
Authority
EP
European Patent Office
Prior art keywords
isolierformkörper
fibers
tubular reactor
outlet
inlet
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP16400031.7A
Other languages
German (de)
English (en)
Other versions
EP3275849B1 (fr
Inventor
Antonio COSCIA
Hans-Werner Scholz
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
LAir Liquide SA pour lEtude et lExploitation des Procedes Georges Claude
Original Assignee
LAir Liquide SA pour lEtude et lExploitation des Procedes Georges Claude
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by LAir Liquide SA pour lEtude et lExploitation des Procedes Georges Claude filed Critical LAir Liquide SA pour lEtude et lExploitation des Procedes Georges Claude
Priority to EP16400031.7A priority Critical patent/EP3275849B1/fr
Priority to DE102016120168.5A priority patent/DE102016120168A1/de
Priority to SG11201900488PA priority patent/SG11201900488PA/en
Priority to CA3032683A priority patent/CA3032683C/fr
Priority to EA201990267A priority patent/EA039343B1/ru
Priority to PCT/EP2017/025194 priority patent/WO2018019430A1/fr
Priority to KR1020197004360A priority patent/KR102434248B1/ko
Priority to MX2019000874A priority patent/MX2019000874A/es
Priority to US16/320,387 priority patent/US11021405B2/en
Priority to MYPI2019000155A priority patent/MY190882A/en
Priority to CN201710609014.7A priority patent/CN107737567B/zh
Priority to CN201720902923.5U priority patent/CN207941494U/zh
Publication of EP3275849A1 publication Critical patent/EP3275849A1/fr
Application granted granted Critical
Publication of EP3275849B1 publication Critical patent/EP3275849B1/fr
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    • C04B35/71—Ceramic products containing macroscopic reinforcing agents
    • C04B35/78—Ceramic products containing macroscopic reinforcing agents containing non-metallic materials
    • C04B35/80—Fibres, filaments, whiskers, platelets, or the like
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    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/70—Aspects relating to sintered or melt-casted ceramic products
    • C04B2235/95—Products characterised by their size, e.g. microceramics
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/70—Aspects relating to sintered or melt-casted ceramic products
    • C04B2235/96—Properties of ceramic products, e.g. mechanical properties such as strength, toughness, wear resistance
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/70—Aspects relating to sintered or melt-casted ceramic products
    • C04B2235/96—Properties of ceramic products, e.g. mechanical properties such as strength, toughness, wear resistance
    • C04B2235/9607—Thermal properties, e.g. thermal expansion coefficient

Definitions

  • the invention relates to self-supporting Isolierform analyses, and a method for their preparation of a SiO 2 fibers and Al 2 O 3 fibers containing ceramic material,
  • the invention further relates to their use as insulation material in the crevice pipelines of a tubular reactor for carrying out a steam reforming process.
  • Self-supporting consisting of a SiO 2 fibers and Al 2 O 3 fibers existing IsolierformMech are known. They are often used in the crevices of a tubular reactor to carry out a steam reforming process.
  • Such steam reforming processes and the tubular reactors used therein are used for the conversion of gaseous hydrocarbons with steam in synthesis gas consisting mainly of carbon monoxide and hydrogen. They are known and in principle, z. In Ullmann's Encyclopedia of Industrial Chemistry, Sixth Ed., Vol. 15, chapter "Gas Production", chap. 2.2 described.
  • These tube reactors consist essentially of a boiler room through the numerous so-called gap tubes passed vertically and heated.
  • the split tubes are filled with a catalyst active for the reforming reactions as a fixed bed.
  • the process gases, ie the educt and product gases of the steam reforming process are passed through the split tubes.
  • the ends of the split tubes protrude, for example, up and down from the boiler room of the tubular reactor and are often provided with insulation to prevent heat loss and burns of the operator.
  • Isolierform moments As insulating materials often SiO 2 - and Al 2 O 3 -based fiber materials are used, which are present as tapes or mats, so that the attachment and dismantling of the insulation designed consuming. It would be cheaper to use dimensionally stable Isolierform réelle whose installation and removal is simpler, which have a sufficient life and which may optionally be used several times. Such Isolierform analyses should also be used in particular in an interior of the can, so as an internal insulation to protect the inner surface of the equipment from temperatures that promote the so-called metal-dusting corrosion.
  • the use of the binder plays an important role. It has been found in practice that using an SiO 2 -containing and / or an organic binder, the insulating bodies produced in this way achieve insufficient service lives under the process conditions of steam reforming. Due to the high process temperatures, which are exposed to the insulation and the high vapor content in the process gas, these previously used binders are expelled from the ceramic material, whereby it loses its stability and decomposes.
  • the object was achieved by a method for producing self-supporting Isolierform analyses of a SiO 2 fibers and Al 2 O 3 fibers containing ceramic material according to claim 1, by the obtained according to claim 2 Isolierform analyses, as well as by their use as insulation material in cans of a tubular reactor for carrying out of a steam reforming method for producing synthesis gas according to claim 4 and by a method according to claim 7 for equipping a can with at least one Isolierform analyses solved.
  • the preparation of the Isolierform analyses can be made more effective by process steps are carried out under vacuum conditions.
  • a preferred embodiment of the invention is characterized in that the Isolierformmaschine are equipped with a circular arc-shaped profile, preferably in the form of a half-shell or quarter shell, or in a cylindrical shape.
  • a further preferred embodiment of the use of Isolierform Economics is characterized in that the inlet for the educts and the outlet for the products are arranged on opposite and projecting from the heating chamber of the tubular reactor ends of the can, wherein the inlet region and / or the outlet of the can inside Isolierformkörpem are equipped, which have a circular arc-shaped profile.
  • This embodiment has the advantage that the ends of the gap tubes, in that they protrude from the boiler room, are easily accessible. To protect the maintenance personnel against burns and to avoid unnecessary heat loss, but also a particularly good insulation of these pipe ends is required and is ensured by the use of Isolierformmaschine.
  • a further preferred embodiment of the use of the Isolierform manipulate is characterized in that the inlet for the educts and the outlet for the products at the same, protruding from the heating chamber of the tubular reactor end of the split tube are arranged and that at the opposite end of the split tube, a free space is present which serves for deflecting the gas flow leaving the catalyst bed into a heat exchanger tube arranged in the interior of the catalyst bed, wherein the inlet region and / or the outlet region of the split tube are equipped with inner Isolierform Sciencesn having a circular arc-shaped profile and the free interior is equipped with an inner Isolierform Sciences which has cylindrical shape.
  • This embodiment also has the advantage that the ends the crevices, in that they protrude from the boiler room, are easily accessible. They must also, in order to protect the maintenance personnel against burns and to avoid unnecessary heat loss, be well insulated, which can be ensured by the use of Isolierform analyses.
  • Fig. 1 The can 2 is not firmly connected to the ceiling 3, so that the thermal expansion of the can 2 can be compensated by growing out of the ceiling 3.
  • the upper end 1 of the can 2 is connected to a manifold, not shown, from which the educt gas is introduced into the can 2.
  • the reactant gas is passed through the fixed catalyst bed 6 through the split tube 2 to the lower end, not shown.
  • the upper end 1 of the can 2 is equipped with the inner IsolierformMech 7, which consists of the inventive ceramic material.
  • Fig. 2 is exemplified as the lower end 8 of a split tube 2 is guided through the bottom 9 of a boiler room 4.
  • the product gas exits the catalyst bed 6 and is introduced into the manifold 10.
  • the manifold 10 is equipped with an internal insulation 11.
  • the lower end 8 of the can 2 is equipped with the inner IsolierformMech 7, which consists of the inventive ceramic material.
  • Fig. 3 shows how a split tube 2 protrudes with internal heat exchanger 12 with the upper end 1 of the ceiling 3 of the boiler room 4 and with the lower end 8 of the bottom 9 of the boiler room 4.
  • the feed for the educt gas 13 is shown, through which the gas is introduced into the can 2.
  • the gas then rises through the fixed catalyst bed 6 in the can 2 to the reverse space 14 and flows from there through the heat exchanger tubes 12 to the manifold 10 for the product gas.
  • the upper 1 and the lower end 8 of the can 2 is equipped with the inner IsolierformMech 7, which consists of the inventive ceramic material.
  • the invention makes it possible to achieve longer service life of the split tubes and thus to an improved economy of the steam reforming process. Therefore, the invention is advantageously economically applicable.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Dispersion Chemistry (AREA)
  • Composite Materials (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Hydrogen, Water And Hydrids (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)
  • Civil Engineering (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Toxicology (AREA)
  • Manufacturing Of Tubular Articles Or Embedded Moulded Articles (AREA)
  • Thermal Insulation (AREA)
EP16400031.7A 2016-07-26 2016-07-26 L'utilisation d'un corps de moule isolant dans un reacteur tubulaire Active EP3275849B1 (fr)

Priority Applications (12)

Application Number Priority Date Filing Date Title
EP16400031.7A EP3275849B1 (fr) 2016-07-26 2016-07-26 L'utilisation d'un corps de moule isolant dans un reacteur tubulaire
DE102016120168.5A DE102016120168A1 (de) 2016-07-26 2016-10-24 Isolierformkörper
MYPI2019000155A MY190882A (en) 2016-07-26 2017-07-03 Moulded insulation bodies
EA201990267A EA039343B1 (ru) 2016-07-26 2017-07-03 Формованные изоляционные изделия
PCT/EP2017/025194 WO2018019430A1 (fr) 2016-07-26 2017-07-03 Corps d'isolation moulés
KR1020197004360A KR102434248B1 (ko) 2016-07-26 2017-07-03 몰딩된 절연 본체
SG11201900488PA SG11201900488PA (en) 2016-07-26 2017-07-03 Moulded insulation bodies
US16/320,387 US11021405B2 (en) 2016-07-26 2017-07-03 Moulded insulation bodies
CA3032683A CA3032683C (fr) 2016-07-26 2017-07-03 Corps d'isolation moules
MX2019000874A MX2019000874A (es) 2016-07-26 2017-07-03 Cuerpos de aislamiento moldeados.
CN201710609014.7A CN107737567B (zh) 2016-07-26 2017-07-25 模制绝热体
CN201720902923.5U CN207941494U (zh) 2016-07-26 2017-07-25 用于进行生成合成气的蒸汽重整工艺的管式反应器

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP16400031.7A EP3275849B1 (fr) 2016-07-26 2016-07-26 L'utilisation d'un corps de moule isolant dans un reacteur tubulaire

Publications (2)

Publication Number Publication Date
EP3275849A1 true EP3275849A1 (fr) 2018-01-31
EP3275849B1 EP3275849B1 (fr) 2020-04-08

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EP16400031.7A Active EP3275849B1 (fr) 2016-07-26 2016-07-26 L'utilisation d'un corps de moule isolant dans un reacteur tubulaire

Country Status (11)

Country Link
US (1) US11021405B2 (fr)
EP (1) EP3275849B1 (fr)
KR (1) KR102434248B1 (fr)
CN (2) CN107737567B (fr)
CA (1) CA3032683C (fr)
DE (1) DE102016120168A1 (fr)
EA (1) EA039343B1 (fr)
MX (1) MX2019000874A (fr)
MY (1) MY190882A (fr)
SG (1) SG11201900488PA (fr)
WO (1) WO2018019430A1 (fr)

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EP0936199A2 (fr) * 1998-02-16 1999-08-18 ALFATEC Feuerfest-Faser-Technik Ges.m.b.H. Procédé pour la fabrication sous vide de réfractaires et de corps isolants pour l'isolation à haute température
US20020121309A1 (en) * 2001-03-02 2002-09-05 Davis Victor M. Refractory lined ducts and coating for use therewith
US20040033882A1 (en) * 2002-08-16 2004-02-19 The Boeing Company Hybrid aerogel rigid ceramic fiber insulation and method of producing same
DE60222841T2 (de) 2001-07-30 2008-02-14 The Boeing Co., Chicago Keramikmatmatrixverbundwerkstoffe auf Oxidbasis
US20090257925A1 (en) * 2008-04-15 2009-10-15 Ibiden Co., Ltd. Holding sealing material, exhaust gas purifying apparatus, and method for manufacturing holding sealing material
US20120269993A1 (en) * 2009-12-01 2012-10-25 Saffil Automotive Limited Mounting Mat
US8894919B1 (en) * 2012-07-18 2014-11-25 The Boeing Company Method for incorporation of insulators and bulk absorbers in high temperature sandwich structures after fabrication
US8986598B2 (en) 2012-03-30 2015-03-24 Korea Institute Of Science And Technology Alumina-coated spinel-silicon carbide refractory composition with high corrosion resistance to coal slag and method for manufacturing the same

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US5340664A (en) 1993-09-29 1994-08-23 Ceramatec, Inc. Thermally integrated heat exchange system for solid oxide electrolyte systems
US20020108308A1 (en) * 2001-02-13 2002-08-15 Grieve Malcolm James Temperature/reaction management system for fuel reformer systems
WO2004064996A2 (fr) * 2003-01-22 2004-08-05 3M Innovative Properties Company Isolant tridimensionnel moule
US7022306B1 (en) 2003-03-21 2006-04-04 Uop Llc Process for the production of hydrogen
CN101691138B (zh) * 2009-08-28 2012-05-30 中材高新材料股份有限公司 航天飞机隔热瓦的制备方法
WO2011061838A1 (fr) * 2009-11-19 2011-05-26 イビデン株式会社 Structure en nid d'abeilles et procédé de fabrication de la structure en nid d'abeilles
CN103043996B (zh) * 2011-10-11 2015-11-25 旭化成化学株式会社 绝热材料及其制造方法
JP6041162B2 (ja) * 2012-08-01 2016-12-07 国立大学法人九州大学 炭化水素の改質用のペーパー状触媒及びペーパー状触媒配列体並びにペーパー状触媒又はペーパー状触媒配列体を備えた固体酸化物形燃料電池
CN105565845A (zh) * 2015-12-14 2016-05-11 天津大学 一种陶瓷纤维多孔隔热瓦的制备方法

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EP0936199A2 (fr) * 1998-02-16 1999-08-18 ALFATEC Feuerfest-Faser-Technik Ges.m.b.H. Procédé pour la fabrication sous vide de réfractaires et de corps isolants pour l'isolation à haute température
US20020121309A1 (en) * 2001-03-02 2002-09-05 Davis Victor M. Refractory lined ducts and coating for use therewith
DE60222841T2 (de) 2001-07-30 2008-02-14 The Boeing Co., Chicago Keramikmatmatrixverbundwerkstoffe auf Oxidbasis
US20040033882A1 (en) * 2002-08-16 2004-02-19 The Boeing Company Hybrid aerogel rigid ceramic fiber insulation and method of producing same
US20090257925A1 (en) * 2008-04-15 2009-10-15 Ibiden Co., Ltd. Holding sealing material, exhaust gas purifying apparatus, and method for manufacturing holding sealing material
US20120269993A1 (en) * 2009-12-01 2012-10-25 Saffil Automotive Limited Mounting Mat
US8986598B2 (en) 2012-03-30 2015-03-24 Korea Institute Of Science And Technology Alumina-coated spinel-silicon carbide refractory composition with high corrosion resistance to coal slag and method for manufacturing the same
US8894919B1 (en) * 2012-07-18 2014-11-25 The Boeing Company Method for incorporation of insulators and bulk absorbers in high temperature sandwich structures after fabrication

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Also Published As

Publication number Publication date
MX2019000874A (es) 2019-06-12
US20190276370A1 (en) 2019-09-12
CN107737567A (zh) 2018-02-27
EA201990267A1 (ru) 2019-06-28
SG11201900488PA (en) 2019-02-27
US11021405B2 (en) 2021-06-01
KR20190034228A (ko) 2019-04-01
MY190882A (en) 2022-05-13
EP3275849B1 (fr) 2020-04-08
EA039343B1 (ru) 2022-01-17
CA3032683C (fr) 2022-04-12
CA3032683A1 (fr) 2018-02-01
CN107737567B (zh) 2022-09-02
CN207941494U (zh) 2018-10-09
WO2018019430A1 (fr) 2018-02-01
KR102434248B1 (ko) 2022-08-22
DE102016120168A1 (de) 2018-02-01

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